mirror of
https://github.com/servo/servo.git
synced 2025-08-06 14:10:11 +01:00
introduce task-queues, and throttling the performance-timeline task-source, in script and worker threads.
queue
This commit is contained in:
parent
da36740f0b
commit
ca6306c430
10 changed files with 540 additions and 93 deletions
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@ -3,9 +3,8 @@
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use dom::abstractworker::WorkerScriptMsg;
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use dom::bindings::refcounted::Trusted;
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use dom::bindings::reflector::DomObject;
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use dom::bindings::trace::JSTraceable;
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use dom::dedicatedworkerglobalscope::DedicatedWorkerScriptMsg;
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use dom::worker::TrustedWorkerAddress;
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use script_runtime::{ScriptChan, CommonScriptMsg, ScriptPort};
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use std::sync::mpsc::{Receiver, Sender};
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@ -13,14 +12,15 @@ use std::sync::mpsc::{Receiver, Sender};
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/// common event loop messages. While this SendableWorkerScriptChan is alive, the associated
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/// Worker object will remain alive.
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#[derive(Clone, JSTraceable)]
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pub struct SendableWorkerScriptChan<T: DomObject> {
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pub sender: Sender<(Trusted<T>, CommonScriptMsg)>,
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pub worker: Trusted<T>,
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pub struct SendableWorkerScriptChan {
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pub sender: Sender<DedicatedWorkerScriptMsg>,
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pub worker: TrustedWorkerAddress,
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}
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impl<T: JSTraceable + DomObject + 'static> ScriptChan for SendableWorkerScriptChan<T> {
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impl ScriptChan for SendableWorkerScriptChan {
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fn send(&self, msg: CommonScriptMsg) -> Result<(), ()> {
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self.sender.send((self.worker.clone(), msg)).map_err(|_| ())
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let msg = DedicatedWorkerScriptMsg::CommonWorker(self.worker.clone(), WorkerScriptMsg::Common(msg));
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self.sender.send(msg).map_err(|_| ())
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}
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fn clone(&self) -> Box<ScriptChan + Send> {
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@ -35,15 +35,16 @@ impl<T: JSTraceable + DomObject + 'static> ScriptChan for SendableWorkerScriptCh
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/// worker event loop messages. While this SendableWorkerScriptChan is alive, the associated
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/// Worker object will remain alive.
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#[derive(Clone, JSTraceable)]
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pub struct WorkerThreadWorkerChan<T: DomObject> {
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pub sender: Sender<(Trusted<T>, WorkerScriptMsg)>,
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pub worker: Trusted<T>,
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pub struct WorkerThreadWorkerChan {
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pub sender: Sender<DedicatedWorkerScriptMsg>,
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pub worker: TrustedWorkerAddress,
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}
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impl<T: JSTraceable + DomObject + 'static> ScriptChan for WorkerThreadWorkerChan<T> {
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impl ScriptChan for WorkerThreadWorkerChan {
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fn send(&self, msg: CommonScriptMsg) -> Result<(), ()> {
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let msg = DedicatedWorkerScriptMsg::CommonWorker(self.worker.clone(), WorkerScriptMsg::Common(msg));
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self.sender
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.send((self.worker.clone(), WorkerScriptMsg::Common(msg)))
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.send(msg)
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.map_err(|_| ())
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}
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@ -55,12 +56,16 @@ impl<T: JSTraceable + DomObject + 'static> ScriptChan for WorkerThreadWorkerChan
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}
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}
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impl<T: DomObject> ScriptPort for Receiver<(Trusted<T>, WorkerScriptMsg)> {
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impl ScriptPort for Receiver<DedicatedWorkerScriptMsg> {
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fn recv(&self) -> Result<CommonScriptMsg, ()> {
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match self.recv().map(|(_, msg)| msg) {
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Ok(WorkerScriptMsg::Common(script_msg)) => Ok(script_msg),
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Ok(WorkerScriptMsg::DOMMessage(_)) => panic!("unexpected worker event message!"),
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Err(_) => Err(()),
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let common_msg = match self.recv() {
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Ok(DedicatedWorkerScriptMsg::CommonWorker(_worker, common_msg)) => common_msg,
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Err(_) => return Err(()),
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Ok(DedicatedWorkerScriptMsg::WakeUp) => panic!("unexpected worker event message!")
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};
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match common_msg {
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WorkerScriptMsg::Common(script_msg) => Ok(script_msg),
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WorkerScriptMsg::DOMMessage(_) => panic!("unexpected worker event message!"),
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}
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}
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}
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@ -32,7 +32,7 @@ use js::rust::HandleValue;
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use msg::constellation_msg::TopLevelBrowsingContextId;
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use net_traits::{IpcSend, load_whole_resource};
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use net_traits::request::{CredentialsMode, Destination, RequestInit};
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use script_runtime::{CommonScriptMsg, ScriptChan, ScriptPort, new_rt_and_cx, Runtime};
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use script_runtime::{CommonScriptMsg, ScriptChan, ScriptPort, ScriptThreadEventCategory, new_rt_and_cx, Runtime};
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use script_runtime::ScriptThreadEventCategory::WorkerEvent;
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use script_traits::{TimerEvent, TimerSource, WorkerGlobalScopeInit, WorkerScriptLoadOrigin};
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use servo_rand::random;
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@ -40,9 +40,10 @@ use servo_url::ServoUrl;
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use std::mem::replace;
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use std::sync::Arc;
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use std::sync::atomic::AtomicBool;
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use std::sync::mpsc::{Receiver, RecvError, Select, Sender, channel};
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use std::sync::mpsc::{Receiver, Select, Sender, channel};
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use std::thread;
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use style::thread_state::{self, ThreadState};
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use task_queue::{QueuedTask, QueuedTaskConversion, TaskQueue};
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/// Set the `worker` field of a related DedicatedWorkerGlobalScope object to a particular
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/// value for the duration of this object's lifetime. This ensures that the related Worker
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@ -70,20 +71,81 @@ impl<'a> Drop for AutoWorkerReset<'a> {
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}
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}
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pub enum DedicatedWorkerScriptMsg {
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/// Standard message from a worker.
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CommonWorker(TrustedWorkerAddress, WorkerScriptMsg),
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/// Wake-up call from the task queue.
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WakeUp,
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}
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enum MixedMessage {
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FromWorker((TrustedWorkerAddress, WorkerScriptMsg)),
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FromWorker(DedicatedWorkerScriptMsg),
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FromScheduler((TrustedWorkerAddress, TimerEvent)),
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FromDevtools(DevtoolScriptControlMsg)
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}
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impl QueuedTaskConversion for DedicatedWorkerScriptMsg {
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fn task_category(&self) -> Option<&ScriptThreadEventCategory> {
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let common_worker_msg = match self {
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DedicatedWorkerScriptMsg::CommonWorker(_, common_worker_msg) => common_worker_msg,
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_ => return None,
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};
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let script_msg = match common_worker_msg {
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WorkerScriptMsg::Common(ref script_msg) => script_msg,
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_ => return None,
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};
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let category = match script_msg {
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CommonScriptMsg::Task(category, _boxed, _pipeline_id) => category,
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_ => return None,
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};
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Some(category)
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}
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fn into_queued_task(self) -> Option<QueuedTask> {
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let (worker, common_worker_msg) = match self {
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DedicatedWorkerScriptMsg::CommonWorker(worker, common_worker_msg) => (worker, common_worker_msg),
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_ => return None,
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};
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let script_msg = match common_worker_msg {
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WorkerScriptMsg::Common(script_msg) => script_msg,
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_ => return None,
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};
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let (category, boxed, pipeline_id) = match script_msg {
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CommonScriptMsg::Task(category, boxed, pipeline_id) =>
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(category, boxed, pipeline_id),
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_ => return None,
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};
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Some((Some(worker), category, boxed, pipeline_id))
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}
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fn from_queued_task(queued_task: QueuedTask) -> Self {
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let (worker, category, boxed, pipeline_id) = queued_task;
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let script_msg = CommonScriptMsg::Task(category, boxed, pipeline_id);
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DedicatedWorkerScriptMsg::CommonWorker(worker.unwrap(), WorkerScriptMsg::Common(script_msg))
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}
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fn wake_up_msg() -> Self {
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DedicatedWorkerScriptMsg::WakeUp
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}
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fn is_wake_up(&self) -> bool {
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match self {
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DedicatedWorkerScriptMsg::WakeUp => true,
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_ => false,
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}
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}
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}
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unsafe_no_jsmanaged_fields!(TaskQueue<DedicatedWorkerScriptMsg>);
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// https://html.spec.whatwg.org/multipage/#dedicatedworkerglobalscope
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#[dom_struct]
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pub struct DedicatedWorkerGlobalScope {
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workerglobalscope: WorkerGlobalScope,
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#[ignore_malloc_size_of = "Defined in std"]
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receiver: Receiver<(TrustedWorkerAddress, WorkerScriptMsg)>,
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task_queue: TaskQueue<DedicatedWorkerScriptMsg>,
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#[ignore_malloc_size_of = "Defined in std"]
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own_sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
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own_sender: Sender<DedicatedWorkerScriptMsg>,
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#[ignore_malloc_size_of = "Defined in std"]
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timer_event_port: Receiver<(TrustedWorkerAddress, TimerEvent)>,
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#[ignore_malloc_size_of = "Trusted<T> has unclear ownership like Dom<T>"]
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@ -99,8 +161,8 @@ impl DedicatedWorkerGlobalScope {
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from_devtools_receiver: Receiver<DevtoolScriptControlMsg>,
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runtime: Runtime,
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parent_sender: Box<ScriptChan + Send>,
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own_sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
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receiver: Receiver<(TrustedWorkerAddress, WorkerScriptMsg)>,
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own_sender: Sender<DedicatedWorkerScriptMsg>,
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receiver: Receiver<DedicatedWorkerScriptMsg>,
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timer_event_chan: IpcSender<TimerEvent>,
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timer_event_port: Receiver<(TrustedWorkerAddress, TimerEvent)>,
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closing: Arc<AtomicBool>)
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from_devtools_receiver,
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timer_event_chan,
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Some(closing)),
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receiver: receiver,
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task_queue: TaskQueue::new(receiver, own_sender.clone()),
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own_sender: own_sender,
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timer_event_port: timer_event_port,
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parent_sender: parent_sender,
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@ -126,8 +188,8 @@ impl DedicatedWorkerGlobalScope {
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from_devtools_receiver: Receiver<DevtoolScriptControlMsg>,
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runtime: Runtime,
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parent_sender: Box<ScriptChan + Send>,
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own_sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
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receiver: Receiver<(TrustedWorkerAddress, WorkerScriptMsg)>,
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own_sender: Sender<DedicatedWorkerScriptMsg>,
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receiver: Receiver<DedicatedWorkerScriptMsg>,
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timer_event_chan: IpcSender<TimerEvent>,
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timer_event_port: Receiver<(TrustedWorkerAddress, TimerEvent)>,
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closing: Arc<AtomicBool>)
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}
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#[allow(unsafe_code)]
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// https://html.spec.whatwg.org/multipage/#run-a-worker
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pub fn run_worker_scope(init: WorkerGlobalScopeInit,
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worker_url: ServoUrl,
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from_devtools_receiver: IpcReceiver<DevtoolScriptControlMsg>,
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worker: TrustedWorkerAddress,
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parent_sender: Box<ScriptChan + Send>,
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own_sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
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receiver: Receiver<(TrustedWorkerAddress, WorkerScriptMsg)>,
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own_sender: Sender<DedicatedWorkerScriptMsg>,
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receiver: Receiver<DedicatedWorkerScriptMsg>,
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worker_load_origin: WorkerScriptLoadOrigin,
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closing: Arc<AtomicBool>) {
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let serialized_worker_url = worker_url.to_string();
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@ -242,17 +305,11 @@ impl DedicatedWorkerGlobalScope {
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let reporter_name = format!("dedicated-worker-reporter-{}", random::<u64>());
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scope.upcast::<GlobalScope>().mem_profiler_chan().run_with_memory_reporting(|| {
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// https://html.spec.whatwg.org/multipage/#event-loop-processing-model
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// Step 1
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while let Ok(event) = global.receive_event() {
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if scope.is_closing() {
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break;
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}
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// Step 3
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global.handle_event(event);
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// Step 6
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let _ar = AutoWorkerReset::new(&global, worker.clone());
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global.upcast::<GlobalScope>().perform_a_microtask_checkpoint();
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// Step 29, Run the responsible event loop specified by inside settings until it is destroyed.
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// The worker processing model remains on this step until the event loop is destroyed,
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// which happens after the closing flag is set to true.
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while !scope.is_closing() {
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global.run_event_loop(worker.clone());
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}
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}, reporter_name, parent_sender, CommonScriptMsg::CollectReports);
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}).expect("Thread spawning failed");
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}
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#[allow(unsafe_code)]
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fn receive_event(&self) -> Result<MixedMessage, RecvError> {
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fn run_event_loop(&self, worker: TrustedWorkerAddress) {
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let scope = self.upcast::<WorkerGlobalScope>();
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let worker_port = &self.receiver;
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let timer_event_port = &self.timer_event_port;
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let devtools_port = scope.from_devtools_receiver();
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let sel = Select::new();
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let mut worker_handle = sel.handle(worker_port);
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let mut worker_handle = sel.handle(self.task_queue.select());
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let mut timer_event_handle = sel.handle(timer_event_port);
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let mut devtools_handle = sel.handle(devtools_port);
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unsafe {
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@ -293,14 +349,44 @@ impl DedicatedWorkerGlobalScope {
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}
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}
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let ret = sel.wait();
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if ret == worker_handle.id() {
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Ok(MixedMessage::FromWorker(worker_port.recv()?))
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} else if ret == timer_event_handle.id() {
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Ok(MixedMessage::FromScheduler(timer_event_port.recv()?))
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} else if ret == devtools_handle.id() {
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Ok(MixedMessage::FromDevtools(devtools_port.recv()?))
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} else {
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panic!("unexpected select result!")
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let event = {
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if ret == worker_handle.id() {
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MixedMessage::FromWorker(self.task_queue.take_tasks().recv().unwrap())
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} else if ret == timer_event_handle.id() {
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MixedMessage::FromScheduler(timer_event_port.recv().unwrap())
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} else if ret == devtools_handle.id() {
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MixedMessage::FromDevtools(devtools_port.recv().unwrap())
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} else {
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panic!("unexpected select result!")
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}
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};
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let mut sequential = vec![];
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sequential.push(event);
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// https://html.spec.whatwg.org/multipage/#worker-event-loop
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// Once the WorkerGlobalScope's closing flag is set to true,
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// the event loop's task queues must discard any further tasks
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// that would be added to them
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// (tasks already on the queue are unaffected except where otherwise specified).
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while !scope.is_closing() {
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// Batch all events that are ready.
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// The task queue will throttle non-priority tasks if necessary.
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match self.task_queue.take_tasks().try_recv() {
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Err(_) => match timer_event_port.try_recv() {
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Err(_) => match devtools_port.try_recv() {
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Err(_) => break,
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Ok(ev) => sequential.push(MixedMessage::FromDevtools(ev)),
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},
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Ok(ev) => sequential.push(MixedMessage::FromScheduler(ev)),
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},
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Ok(ev) => sequential.push(MixedMessage::FromWorker(ev)),
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}
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}
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// Step 3
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for event in sequential {
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self.handle_event(event);
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// Step 6
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let _ar = AutoWorkerReset::new(&self, worker.clone());
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self.upcast::<GlobalScope>().perform_a_microtask_checkpoint();
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}
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}
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@ -346,10 +432,11 @@ impl DedicatedWorkerGlobalScope {
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}
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}
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}
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MixedMessage::FromWorker((linked_worker, msg)) => {
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MixedMessage::FromWorker(DedicatedWorkerScriptMsg::CommonWorker(linked_worker, msg)) => {
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let _ar = AutoWorkerReset::new(self, linked_worker);
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self.handle_script_event(msg);
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}
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MixedMessage::FromWorker(DedicatedWorkerScriptMsg::WakeUp) => {},
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}
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}
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@ -24,22 +24,69 @@ use js::jsapi::{JSAutoCompartment, JSContext, JS_AddInterruptCallback};
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use js::jsval::UndefinedValue;
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use net_traits::{load_whole_resource, IpcSend, CustomResponseMediator};
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use net_traits::request::{CredentialsMode, Destination, RequestInit};
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use script_runtime::{CommonScriptMsg, ScriptChan, new_rt_and_cx, Runtime};
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use script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory, new_rt_and_cx, Runtime};
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use script_traits::{TimerEvent, WorkerGlobalScopeInit, ScopeThings, ServiceWorkerMsg, WorkerScriptLoadOrigin};
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use servo_config::prefs::PREFS;
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use servo_rand::random;
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use servo_url::ServoUrl;
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use std::sync::mpsc::{Receiver, RecvError, Select, Sender, channel};
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use std::sync::mpsc::{Receiver, Select, Sender, channel};
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use std::thread;
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use std::time::Duration;
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use style::thread_state::{self, ThreadState};
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use task_queue::{QueuedTask, QueuedTaskConversion, TaskQueue};
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/// Messages used to control service worker event loop
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pub enum ServiceWorkerScriptMsg {
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/// Message common to all workers
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CommonWorker(WorkerScriptMsg),
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// Message to request a custom response by the service worker
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Response(CustomResponseMediator)
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/// Message to request a custom response by the service worker
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Response(CustomResponseMediator),
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/// Wake-up call from the task queue.
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WakeUp,
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}
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impl QueuedTaskConversion for ServiceWorkerScriptMsg {
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fn task_category(&self) -> Option<&ScriptThreadEventCategory> {
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let script_msg = match self {
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ServiceWorkerScriptMsg::CommonWorker(WorkerScriptMsg::Common(script_msg)) => script_msg,
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_ => return None,
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};
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let category = match script_msg {
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CommonScriptMsg::Task(category, _boxed, _pipeline_id) => category,
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_ => return None,
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};
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Some(&category)
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}
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fn into_queued_task(self) -> Option<QueuedTask> {
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let script_msg = match self {
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ServiceWorkerScriptMsg::CommonWorker(WorkerScriptMsg::Common(script_msg)) => script_msg,
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_ => return None,
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};
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let (category, boxed, pipeline_id) = match script_msg {
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CommonScriptMsg::Task(category, boxed, pipeline_id) =>
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(category, boxed, pipeline_id),
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_ => return None,
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};
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Some((None, category, boxed, pipeline_id))
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}
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fn from_queued_task(queued_task: QueuedTask) -> Self {
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let (_worker, category, boxed, pipeline_id) = queued_task;
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let script_msg = CommonScriptMsg::Task(category, boxed, pipeline_id);
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ServiceWorkerScriptMsg::CommonWorker(WorkerScriptMsg::Common(script_msg))
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}
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fn wake_up_msg() -> Self {
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ServiceWorkerScriptMsg::WakeUp
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}
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fn is_wake_up(&self) -> bool {
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||||
match self {
|
||||
ServiceWorkerScriptMsg::WakeUp => true,
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub enum MixedMessage {
|
||||
|
@ -67,11 +114,13 @@ impl ScriptChan for ServiceWorkerChan {
|
|||
}
|
||||
}
|
||||
|
||||
unsafe_no_jsmanaged_fields!(TaskQueue<ServiceWorkerScriptMsg>);
|
||||
|
||||
#[dom_struct]
|
||||
pub struct ServiceWorkerGlobalScope {
|
||||
workerglobalscope: WorkerGlobalScope,
|
||||
#[ignore_malloc_size_of = "Defined in std"]
|
||||
receiver: Receiver<ServiceWorkerScriptMsg>,
|
||||
task_queue: TaskQueue<ServiceWorkerScriptMsg>,
|
||||
#[ignore_malloc_size_of = "Defined in std"]
|
||||
own_sender: Sender<ServiceWorkerScriptMsg>,
|
||||
#[ignore_malloc_size_of = "Defined in std"]
|
||||
|
@ -100,7 +149,7 @@ impl ServiceWorkerGlobalScope {
|
|||
from_devtools_receiver,
|
||||
timer_event_chan,
|
||||
None),
|
||||
receiver: receiver,
|
||||
task_queue: TaskQueue::new(receiver, own_sender.clone()),
|
||||
timer_event_port: timer_event_port,
|
||||
own_sender: own_sender,
|
||||
swmanager_sender: swmanager_sender,
|
||||
|
@ -139,6 +188,7 @@ impl ServiceWorkerGlobalScope {
|
|||
}
|
||||
|
||||
#[allow(unsafe_code)]
|
||||
// https://html.spec.whatwg.org/multipage/#run-a-worker
|
||||
pub fn run_serviceworker_scope(scope_things: ScopeThings,
|
||||
own_sender: Sender<ServiceWorkerScriptMsg>,
|
||||
receiver: Receiver<ServiceWorkerScriptMsg>,
|
||||
|
@ -211,15 +261,11 @@ impl ServiceWorkerGlobalScope {
|
|||
global.dispatch_activate();
|
||||
let reporter_name = format!("service-worker-reporter-{}", random::<u64>());
|
||||
scope.upcast::<GlobalScope>().mem_profiler_chan().run_with_memory_reporting(|| {
|
||||
// https://html.spec.whatwg.org/multipage/#event-loop-processing-model
|
||||
// Step 1
|
||||
while let Ok(event) = global.receive_event() {
|
||||
// Step 3
|
||||
if !global.handle_event(event) {
|
||||
break;
|
||||
}
|
||||
// Step 6
|
||||
global.upcast::<GlobalScope>().perform_a_microtask_checkpoint();
|
||||
// Step 29, Run the responsible event loop specified by inside settings until it is destroyed.
|
||||
// The worker processing model remains on this step until the event loop is destroyed,
|
||||
// which happens after the closing flag is set to true.
|
||||
while !scope.is_closing() {
|
||||
global.run_event_loop();
|
||||
}
|
||||
}, reporter_name, scope.script_chan(), CommonScriptMsg::CollectReports);
|
||||
}).expect("Thread spawning failed");
|
||||
|
@ -271,19 +317,19 @@ impl ServiceWorkerGlobalScope {
|
|||
// https://slightlyoff.github.io/ServiceWorker/spec/service_worker_1/index.html#fetch-event-section
|
||||
self.upcast::<EventTarget>().fire_event(atom!("fetch"));
|
||||
let _ = mediator.response_chan.send(None);
|
||||
}
|
||||
},
|
||||
WakeUp => {},
|
||||
}
|
||||
}
|
||||
|
||||
#[allow(unsafe_code)]
|
||||
fn receive_event(&self) -> Result<MixedMessage, RecvError> {
|
||||
fn run_event_loop(&self) {
|
||||
let scope = self.upcast::<WorkerGlobalScope>();
|
||||
let worker_port = &self.receiver;
|
||||
let devtools_port = scope.from_devtools_receiver();
|
||||
let timer_event_port = &self.timer_event_port;
|
||||
|
||||
let sel = Select::new();
|
||||
let mut worker_handle = sel.handle(worker_port);
|
||||
let mut worker_handle = sel.handle(self.task_queue.select());
|
||||
let mut devtools_handle = sel.handle(devtools_port);
|
||||
let mut timer_port_handle = sel.handle(timer_event_port);
|
||||
unsafe {
|
||||
|
@ -295,14 +341,44 @@ impl ServiceWorkerGlobalScope {
|
|||
}
|
||||
|
||||
let ret = sel.wait();
|
||||
if ret == worker_handle.id() {
|
||||
Ok(MixedMessage::FromServiceWorker(worker_port.recv()?))
|
||||
}else if ret == devtools_handle.id() {
|
||||
Ok(MixedMessage::FromDevtools(devtools_port.recv()?))
|
||||
} else if ret == timer_port_handle.id() {
|
||||
Ok(MixedMessage::FromTimeoutThread(timer_event_port.recv()?))
|
||||
} else {
|
||||
panic!("unexpected select result!")
|
||||
let event = {
|
||||
if ret == worker_handle.id() {
|
||||
MixedMessage::FromServiceWorker(self.task_queue.take_tasks().recv().unwrap())
|
||||
} else if ret == devtools_handle.id() {
|
||||
MixedMessage::FromDevtools(devtools_port.recv().unwrap())
|
||||
} else if ret == timer_port_handle.id() {
|
||||
MixedMessage::FromTimeoutThread(timer_event_port.recv().unwrap())
|
||||
} else {
|
||||
panic!("unexpected select result!")
|
||||
}
|
||||
};
|
||||
|
||||
let mut sequential = vec![];
|
||||
sequential.push(event);
|
||||
// https://html.spec.whatwg.org/multipage/#worker-event-loop
|
||||
// Once the WorkerGlobalScope's closing flag is set to true,
|
||||
// the event loop's task queues must discard any further tasks
|
||||
// that would be added to them
|
||||
// (tasks already on the queue are unaffected except where otherwise specified).
|
||||
while !scope.is_closing() {
|
||||
// Batch all events that are ready.
|
||||
// The task queue will throttle non-priority tasks if necessary.
|
||||
match self.task_queue.take_tasks().try_recv() {
|
||||
Err(_) => match timer_event_port.try_recv() {
|
||||
Err(_) => match devtools_port.try_recv() {
|
||||
Err(_) => break,
|
||||
Ok(ev) => sequential.push(MixedMessage::FromDevtools(ev)),
|
||||
},
|
||||
Ok(ev) => sequential.push(MixedMessage::FromTimeoutThread(ev)),
|
||||
},
|
||||
Ok(ev) => sequential.push(MixedMessage::FromServiceWorker(ev)),
|
||||
}
|
||||
}
|
||||
// Step 3
|
||||
for event in sequential {
|
||||
self.handle_event(event);
|
||||
// Step 6
|
||||
self.upcast::<GlobalScope>().perform_a_microtask_checkpoint();
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
@ -14,7 +14,7 @@ use dom::bindings::reflector::{DomObject, reflect_dom_object};
|
|||
use dom::bindings::root::DomRoot;
|
||||
use dom::bindings::str::DOMString;
|
||||
use dom::bindings::structuredclone::StructuredCloneData;
|
||||
use dom::dedicatedworkerglobalscope::DedicatedWorkerGlobalScope;
|
||||
use dom::dedicatedworkerglobalscope::{DedicatedWorkerGlobalScope, DedicatedWorkerScriptMsg};
|
||||
use dom::eventtarget::EventTarget;
|
||||
use dom::globalscope::GlobalScope;
|
||||
use dom::messageevent::MessageEvent;
|
||||
|
@ -40,14 +40,14 @@ pub struct Worker {
|
|||
#[ignore_malloc_size_of = "Defined in std"]
|
||||
/// Sender to the Receiver associated with the DedicatedWorkerGlobalScope
|
||||
/// this Worker created.
|
||||
sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
|
||||
sender: Sender<DedicatedWorkerScriptMsg>,
|
||||
#[ignore_malloc_size_of = "Arc"]
|
||||
closing: Arc<AtomicBool>,
|
||||
terminated: Cell<bool>,
|
||||
}
|
||||
|
||||
impl Worker {
|
||||
fn new_inherited(sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
|
||||
fn new_inherited(sender: Sender<DedicatedWorkerScriptMsg>,
|
||||
closing: Arc<AtomicBool>) -> Worker {
|
||||
Worker {
|
||||
eventtarget: EventTarget::new_inherited(),
|
||||
|
@ -58,7 +58,7 @@ impl Worker {
|
|||
}
|
||||
|
||||
pub fn new(global: &GlobalScope,
|
||||
sender: Sender<(TrustedWorkerAddress, WorkerScriptMsg)>,
|
||||
sender: Sender<DedicatedWorkerScriptMsg>,
|
||||
closing: Arc<AtomicBool>) -> DomRoot<Worker> {
|
||||
reflect_dom_object(Box::new(Worker::new_inherited(sender, closing)),
|
||||
global,
|
||||
|
@ -148,7 +148,7 @@ impl WorkerMethods for Worker {
|
|||
|
||||
// NOTE: step 9 of https://html.spec.whatwg.org/multipage/#dom-messageport-postmessage
|
||||
// indicates that a nonexistent communication channel should result in a silent error.
|
||||
let _ = self.sender.send((address, WorkerScriptMsg::DOMMessage(data)));
|
||||
let _ = self.sender.send(DedicatedWorkerScriptMsg::CommonWorker(address, WorkerScriptMsg::DOMMessage(data)));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
|
@ -407,8 +407,6 @@ impl WorkerGlobalScope {
|
|||
reports_chan.send(reports);
|
||||
},
|
||||
}
|
||||
|
||||
// FIXME(jdm): Should we do a microtask checkpoint here?
|
||||
}
|
||||
|
||||
pub fn handle_fire_timer(&self, timer_id: TimerEventId) {
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue